Reversible flow centrifugal pump



June `l, 1948. c.w.RuB|soN I I 2,442,512

REVERSIBLE FLOW CENTRIFUGAL PUMP Filed Feb. 27, 1946 2 Sheets-Sheet 1 v IE5. l

Inventor LHCE BJILLIHM ualauN I www 15%@ C. W. RUBISON REVERSIBLE FLOW CENTRIFUGAL PUMP June' l, 1948.

2 Sheets-Sheet '2 Filed Feb. 27, 1946 Inventor joining sides ripheral passage for the intake or of liquid to or from each chamber, o drive shaft Journaled in the casing. and n ainxle rotary vened impelier secured on said drive casing, said impeller havin: liquid inlets at opposite sides thereof inwardly being movable to a position within either desired impeller chamber for reversinz the iiow of liquid through the pump without changing rotation or the impeller, seid casing being provided with axial besrinzs in which the drive shaft is 1mm' peller including an end portion ol! nid bore communicating 5 impeller hub. l. een

ings, the bore of the nn end of the latter simpl! Dil introducti wing.

add imn hub havin! s 1W new drive shdthlvingen nini with nid penance in the eeeuredto one of seid beerdrive shaft opening throulh into said cap. ande. fluid eommunicatinc with said cap for the o! priminz iluid into vthe pump omni-.Nom wn'mu mmson.

nous crrm The iollowinz references are oi record in the file of this potent:

UNITED STATES PATENTS Number Number Nome Date Mollvnine Mar. l2. i929 FOREIGN PATENTS Country Date Greet Britain Nov. 10, 192i France -4...........- June 3, 1930 France Oct. 15,1935 

